Chicken Karahi (Authentic + Easy Pakistani Recipe)

Name: Chicken Karahi (Authentic + Easy Pakistani Recipe)
Prep time: 10 min
Cook time: 25 min
Total time: 35 min
Cuisine: Asian, Indian
Ingredients: 120 ml oil; 1 small chicken, bone in and cut into curry pieces ((approx 700-800g or 1.3-1.7lb); 5 medium sized tomatoes, very finely diced ((do NOT blend or purée)); 1 bulb garlic, minced (approximately 2.5 tbsp); 2 tbsp ginger, minced; 1-2 tsp salt (or to taste); 2 tsp paprika/kashmiri red chilli ((essential for a red colour)); 1.5 tsp crushed black pepper; 1 tsp chilli flakes; 0.5 tsp cumin powder; 0.5 tsp coriander powder; 1 tsp kalonji (onion seed, optional); 2 green chillies (slit in half lengthwise); 0.5 bunch coriander (chopped); 1/4 cup ginger ( cut into matchstick pieces)